30344402 has 8 divisors (see below), whose sum is σ = 49654512. Its totient is φ = 13792900.

The previous prime is 30344341. The next prime is 30344407. The reversal of 30344402 is 20444303.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30344407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689624 + ... + 689667.

It is an arithmetic number, because the mean of its divisors is an integer number (6206814).

Almost surely, 2^30344402 is an apocalyptic number.

30344402 is a deficient number, since it is larger than the sum of its proper divisors (19310110).

30344402 is a wasteful number, since it uses less digits than its factorization.

30344402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379304.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 30344402 is about 5508.5753149068. The cubic root of 30344402 is about 311.9077705146.

Adding to 30344402 its reverse (20444303), we get a palindrome (50788705).

Subtracting from 30344402 its reverse (20444303), we obtain a palindrome (9900099).

The spelling of 30344402 in words is "thirty million, three hundred forty-four thousand, four hundred two".